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In testing, it was found that certain ECs couldn't respond to the EC_SYN in less than 0.1s. Therefore, this commit changes the interrogation timeouts. For non-enhanced EC images, the timeout has been increased to 0.3 seconds. This is small enough that there's not too much of a delay, but long enough that enhanced EC images can respond in time. With an enhanced EC image on veyron_jerry, EC_ACKs were arriving after ~0.2s. BUG=None BRANCH=None TEST=Flash enhanced EC image on veyron_jerry, start console/interpreter pair and verify that the console is functional. TEST=util/ec3po/run_tests.sh Change-Id: I4931aaee908653ae302a8e57941444e5f0b6ce2b Signed-off-by: Aseda Aboagye <aaboagye@google.com> Reviewed-on: https://chromium-review.googlesource.com/320594 Commit-Ready: Aseda Aboagye <aaboagye@chromium.org> Tested-by: Aseda Aboagye <aaboagye@chromium.org> Reviewed-by: Randall Spangler <rspangler@chromium.org>
For an overview of the Embedded Controller firmware, refer to http://www.chromium.org/chromium-os/2014-firmware-summit For instructions on building from source, refer to http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly